L'Espluga de Francoli, in the comarca (county) of Tarragona, Catalonia, is sometimes referred to only as Espulga or Francoli. The term “espluga” is from the Latin word spelunca, meaning “cave.” L'Espluga de Francoli boasts some of the world’s most stunning and beautiful caves and caverns. Half of the economy of L'Espluga de Francoli is fed by the income generated by the tourism of these various geological formations.

The most famous of these caves is the Fort Major Cave, which is one of the seven longest caves in the world. Its structure is made of conglomerate, or pebbles, that are cemented together and runs underground the whole town of L'Espluga de Francoli. Fort Major Cave has human activities since prehistoric times. Because of the natural points of interest and its historical significance, part of the interior of the Fort Major Cave was built into a museum, an exceptional feature that is unique in the world. Fort Major Cave also has an underground river running through it. The presence of the river suggests that it has various water sources and that the cave is massive.

Above the ground, the town of L'Espluga de Francoli is surrounded by mountains, forests, and rivers. In the south, plains have provided much of the farming and vineyard industry. Because of its natural attractions, the people of L'Espluga de Francoli love activities like hiking, biking, camping, and spelunking. Aside from the natural activities, the people of L'Espluga de Francoli also participate in various cultural events like feasts, festivals, and fairs.

The town of L'Espluga de Francoli also boasts some the old European nostalgia. Within the town are old structures, churches, and temples that date back to eleventh century. Though there are newer buildings, old buildings are still standing around the town. Some of these buildings have been transformed into L'Espluga de Francoli hostels. Hostels in L'Espluga de Francoli are tourist friendly, provide to both vacationing and the adventurous visitors. There are also cheap hostels in L'Espluga de Francoli to cater to backpackers, travelers, and hitchhiker tourists.